149284438081 has 8 divisors (see below), whose sum is σ = 150229625000. Its totient is φ = 148340574720.

The previous prime is 149284438063. The next prime is 149284438099. The reversal of 149284438081 is 180834482941.

It is an interprime number because it is at equal distance from previous prime (149284438063) and next prime (149284438099).

It can be written as a sum of positive squares in 4 ways, for example, as 454371856 + 148830066225 = 21316^2 + 385785^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149284438081 - 2²¹ = 149282340929 is a prime.

It is a super-2 number, since 2×149284438081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149284432081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104106 + ... + 556243.

It is an arithmetic number, because the mean of its divisors is an integer number (18778703125).

Almost surely, 2^149284438081 is an apocalyptic number.

It is an amenable number.

149284438081 is a deficient number, since it is larger than the sum of its proper divisors (945186919).

149284438081 is a wasteful number, since it uses less digits than its factorization.

149284438081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661779.

The product of its (nonzero) digits is 1769472, while the sum is 52.

The spelling of 149284438081 in words is "one hundred forty-nine billion, two hundred eighty-four million, four hundred thirty-eight thousand, eighty-one".